Totally* made of 18/10 stainless steel (the best quality for food contact)that is a highly resistant Baumstal pot. Even the handle and lid knob are made of stainless steel. In fact they will not wear out and are resistant to a passage in the oven.The quality of this pan allows for low temperature cooking that preserve the vitamins in foods.*Only the base is in aluminium fo a good cooking temperature regulating.Suitable for all cooker types.Made by Baumstal